3360282 - K69 PARKING BRAKE ON WARNING LIGHT
The warning light stays on even when the handbrake is off. | A parking brake warning light activation command is sent by the switch on the lever to the Body Computer Node, which makes it available to the Instrument Panel Node via the B-CAN network |
| Results of the tests | ||||
| 1 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
| Check the earth insulation of the wiring between Parking Brake lever switch and Body Computer. | Continue to Step 2 | Wiring not isolated | Renew the wiring See E4010 INSTRUMENT PANEL | |
| 2 | CHECK SWITCH | All OK | Problems met | Operation |
| Check the condition of the switch on the parking brake lever | Continue to Step 3 | Faulty switch | Replace switch Op. 5550D18 | |
| 3 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
Connect the tester and check the Instrument Panel Node for
| Continue to Step 4 | The warning light does not flash | Replace instrument panel Op. 5560B11 | |
| 4 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Keep the tester connected and check parameter plausibility on the Body Computer | Continue to Step 5 | Parameter not plausible | Replace the Body Computer Op. 5505A32 | |
| 5 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | The fault persists: Body Computer defective | Search for the fault starting from another symptom' | ||